DEV: Correct typos and spelling mistakes (#12812)

Over the years we accrued many spelling mistakes in the code base. 

This PR attempts to fix spelling mistakes and typos in all areas of the code that are extremely safe to change 

- comments
- test descriptions
- other low risk areas

spec/requests/admin/users_controller_spec.rb

@@ -32,7 +32,7 @@ RSpec.describe Admin::UsersController do
         end
       end
 
-      it "logs only 1 enty" do
+      it "logs only 1 entry" do
         expect do
           get "/admin/users/list.json", params: { show_emails: "true" }
         end.to change { UserHistory.where(action: UserHistory.actions[:check_email], acting_user_id: admin.id).count }.by(1)
@@ -98,7 +98,7 @@ RSpec.describe Admin::UsersController do
 
     let(:evil_trout) { Fabricate(:evil_trout) }
 
-    it "does nothing without uesrs" do
+    it "does nothing without users" do
       put "/admin/users/approve-bulk.json"
       evil_trout.reload
       expect(response.status).to eq(200)